Simple Mail Transfer Protocol over Transport Layer Security

method for securing SMTP with transport layer security
CreativeWork computer_network_protocol Q949493
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Simple Mail Transfer Protocol over Transport Layer Security

Summary

Simple Mail Transfer Protocol over Transport Layer Security is a computer network protocol[1]. It draws 192 Wikipedia views per month (computer_network_protocol category, ranking #113 of 317).[2]

Key Facts

  • Simple Mail Transfer Protocol over Transport Layer Security's instance of is recorded as computer network protocol[3].
  • Simple Mail Transfer Protocol over Transport Layer Security's based on is recorded as Simple Mail Transfer Protocol[4].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 2487: SMTP Service Extension for Secure SMTP over TLS[5].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 3207: SMTP Service Extension for Secure SMTP over Transport Layer Security[6].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 7817: Updated Transport Layer Security (TLS) Server Identity Check Procedure for Email-Related Protocols[7].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 8314: Cleartext Considered Obsolete: Use of Transport Layer Security (TLS) for Email Submission and Access[8].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 8460: SMTP TLS Reporting[9].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 8461: SMTP MTA Strict Transport Security (MTA-STS)[10].
  • Simple Mail Transfer Protocol over Transport Layer Security's described by source is recorded as RFC 8689: SMTP Require TLS Option[11].
  • Simple Mail Transfer Protocol over Transport Layer Security's Stack Exchange tag is recorded as https://stackoverflow.com/tags/smtps[12].
  • Simple Mail Transfer Protocol over Transport Layer Security's port is recorded as {'amount': '+465'}[13].
  • Simple Mail Transfer Protocol over Transport Layer Security's uses is recorded as Transport Layer Security[14].

Why It Matters

Simple Mail Transfer Protocol over Transport Layer Security draws 192 Wikipedia views per month (computer_network_protocol category, ranking #113 of 317).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[15] It is known by 3 alternative names across languages and contexts.[16]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . RFC 8314: Cleartext Considered Obsolete: Use of Transport Layer Security (TLS) for Email Submission and Access. wikidata.org.
  12. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. wikidata.org.
  3. [16] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Simple Mail Transfer Protocol over Transport Layer Security. Retrieved May 3, 2026, from https://4ort.xyz/entity/simple-mail-transfer-protocol-over-transport-layer-security
MLA “Simple Mail Transfer Protocol over Transport Layer Security.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/simple-mail-transfer-protocol-over-transport-layer-security.
BibTeX @misc{4ortxyz_simple-mail-transfer-protocol-over-transport-layer-security_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Simple Mail Transfer Protocol over Transport Layer Security}}, year = {2026}, url = {https://4ort.xyz/entity/simple-mail-transfer-protocol-over-transport-layer-security}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Simple Mail Transfer Protocol over Transport Layer Security — https://4ort.xyz/entity/simple-mail-transfer-protocol-over-transport-layer-security (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/simple-mail-transfer-protocol-over-transport-layer-security · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 28d ago · ~2026-46597-18 · 2026-08-27 view diff on Wikidata ↗
    Instance of → —
    Described by source → RFC 2487: SMTP Service Extension for Secure SMTP over TLS, RFC 3207: SMTP Service Extension for Secure SMTP over Transport Layer Security, RFC 7817: Updated Transport Layer Security (TLS) Server Identity Check Procedure for Email-Related Protocols +4
    Port → {'amount': '+465'}
    Uses → —
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P31]]: [[Q15836568]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.